add VoteTopicMessage parse test
correct broadcast action
limit PlainTextMessage size if its a broadcast
testcast rename
add comment to unsaved message queue
makeInputReadState clear unused data key
add PlainTextMessage limit content test
add some comment
register AbstractTextMessage.gsoner as typed json deserializer
add AbstractTextMessage deserialize by type test
use exception instead of boolean
remove some useless null check
add VoteOfMeMessage
makes digestId as AbstractTextMessage method
message id bytes digest messageType too